What is the Least Common Multiple of 931 and 951?
Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.
Least common multiple (LCM) of 931 and 951 is 885381.
LCM(931,951) = 885381
Least Common Multiple of 931 and 951 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 931 and 951, than apply into the LCM equation.
GCF(931,951) = 1
LCM(931,951) = ( 931 × 951) / 1
LCM(931,951) = 885381 / 1
LCM(931,951) = 885381
Least Common Multiple (LCM) of 931 and 951 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 931 and 951. First we will calculate the prime factors of 931 and 951.
Prime Factorization of 931
Prime factors of 931 are 7, 19. Prime factorization of 931 in exponential form is:
931 = 72 × 191
Prime Factorization of 951
Prime factors of 951 are 3, 317. Prime factorization of 951 in exponential form is:
951 = 31 × 3171
Now multiplying the highest exponent prime factors to calculate the LCM of 931 and 951.
LCM(931,951) = 72 × 191 × 31 × 3171
LCM(931,951) = 885381
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